Asked by Tarunima

Rupashi needs to get a perfect score of 100 For her last English test in this year so as to improve her average score of 84 to 86 .how many test were there altogether in this year
Answered by Steve
If there are n tests already taken, we need

84n + 100 = 86(n+1)
84n + 100 = 86n + 86
2n = 14
n = 7
There are no AI answers yet. The ability to request AI answers is coming soon!